Sediments from Scotland hint that ocean-atmosphere interactions continued more than 600 million years ago despite widespread ice.

A team of researchers has produced the strongest experimental evidence yet that Earth’s iron core holds enormous quantities ...

Researchers studying the deep biosphere, Earth’s largest ecosystem, have found evidence that life thriving miles below the ...

They're all around us: sensors and satellites, radars and drones. These tools form vast remote sensing networks that collect ...

Even when Earth was locked in its most extreme deep freeze, the planet’s climate may not have been as silent and still as ...

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

NASA has selected two Earth science missions for development, one focused on studying the atmosphere and the other on terrestrial ecosystems and ice.

Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key ...

A new study analyzes three asteroid and two meteorite samples to see if space rocks smacking into Earth could’ve helped ...

"We don’t know where they are,” said NASA’s planetary defense officer Kelly Fast at the AAAS conference in Arizona this week.

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a cosmic ray detector, was designed to measure the radiation environment in Earth ...